Dublin
Ireland
Long-term weather forecast
Long-term weather forecast

March weather forecast and climate
Dublin, Ireland

A sunset view of the illuminated Ha Penny Bridge reflected in the water below, in Dublin, Ireland
A sunset view of the illuminated Ha Penny Bridge reflected in the water below, in Dublin, Ireland
Spring arrives in Dublin by March and signals the end of the winter with a steady rise in daily temperatures. Average high temperatures rise to above 10°C (50°F), and the average lows are 4.4°C (39.9°F).
The sunshine improves beyond 4 hours, and the atmosphere is full of fresh aromatic scents due to the blooming of flowers.
March is not a high tourist season, but be sure to book early for a vacation around St. Patrick's Day in Dublin as it draws large crowds.

What is the temperature in March in Dublin?

The average high-temperature, in March, in Dublin, is 10.7°C (51.3°F), while the average low-temperature is 5.2°C (41.4°F).

How many days does it rain in March in Dublin?

In Dublin, Ireland, during March, the rain falls for 11 days and regularly aggregates up to 51.8mm (2") of precipitation.

When is the sea coldest in Dublin?

With an average sea temperature of 8.4°C (47.1°F), March is the month with the coldest seawater in Dublin. Swimming in 8.4°C (47.1°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

How cold is the water in March in Dublin?

In March, the average sea temperature in Dublin is 8.4°C (47.1°F). Swimming in 8.4°C (47.1°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

How many hours of daylight does Dublin have in March?

In Dublin, the average length of the day in March is 11.9h.

How long on average sun shines in March in Dublin?

In Dublin, Ireland, the average sunshine in March is 3.5h.

What is the UV index reading in March in Dublin?

In March, the average daily maximum UV index in Dublin is 2. A UV Index reading of 2, and below, represents a low health threat from the exposure to the Sun's UV rays.
Average temperature in March - Dublin, Ireland
  • Average high temperature in March: 10.7°C

The warmest month (with the highest average high temperature) is July (20.2°C).
The month with the lowest average high temperature is January (8.8°C).

  • Average low temperature in March: 5.2°C

The month with the highest average low temperature is July (13.5°C).
Coldest months (with the lowest average low temperature) are January and February (3.9°C).

Average rainfall in March - Dublin, Ireland
  • Average rainfall in March: 51.8mm

The wettest month (with the highest rainfall) is October (76mm).
The driest month (with the lowest rainfall) is February (46.1mm).

Average rainfall days in March - Dublin, Ireland
  • Average rainfall days in March: 11 days

Months with the highest number of rainy days are January, October and December (12 days).
Months with the lowest number of rainy days are June and September (9 days).

Average sea temperature in March - Dublin, Ireland
  • Average sea temperature in March: 8.4°C

The best month for swimming (with the highest average sea temperature) is August (14.9°C).
The coldest month (with the lowest average sea temperature) is March (8.4°C).

Average daylight in March / Average sunshine in March - Dublin, Ireland
  • Average daylight in March: 11.9h

The month with the longest days is June (Average daylight: 16.9h).
The month with shortest days is December (Average daylight: 7.6h).

  • Average sunshine in March: 3.5h

The month with most sunshine is May (Average sunshine: 6.3h).
The month with least sunshine is December (Average sunshine: 1.7h).

Average UV index in March - Dublin, Ireland
  • Average UV index in March: 2

Months with the highest UV index are June and July (UV index 6).
Months with the lowest UV index are January and December (UV index 0).